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Data Calendar for MISSISSIPPI RIVER AT ALTON IL

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/Chicago timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

Mar 2025Apr 2025 May 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
303101
High: 58.46
Low: 41.18
Precip: M
Max Stage[ft]: 18.84		02
High: 78.44
Low: 57.74
Precip: M
Max Stage[ft]: 19.05		03
High: 62.6
Low: 50.18
Precip: M
Max Stage[ft]: 19.03		04
High: 53.24
Low: 48.02
Precip: M
Max Stage[ft]: 18.94		05
High: 49.64
Low: 46.04
Precip: M
Max Stage[ft]: 18.80
06
High: 51.44
Low: 43.34
Precip: M
Max Stage[ft]: 17.15		07
High: 59.72
Low: 40.28
Precip: M
Max Stage[ft]: 16.66		08
High: 58.64
Low: 34.34
Precip: M
Max Stage[ft]: 15.94		09
High: 67.82
Low: 44.42
Precip: M
Max Stage[ft]: 16.49		10
High: 65.84
Low: 50.54
Precip: M
Max Stage[ft]: 16.38		11
High: 56.12
Low: 46.22
Precip: M
Max Stage[ft]: 15.77		12
High: 63.14
Low: 41.72
Precip: M
Max Stage[ft]: 15.18
13
High: 79.88
Low: 53.06
Precip: M
Max Stage[ft]: 15.76		14
High: 69.62
Low: 55.94
Precip: M
Max Stage[ft]: 15.78		15
High: 61.52
Low: 48.2
Precip: M
Max Stage[ft]: 16.16		16
High: 71.78
Low: 49.64
Precip: M
Max Stage[ft]: 16.20		17
High: 76.82
Low: 55.94
Precip: M
Max Stage[ft]: 17.80		18
High: 77.9
Low: 64.22
Precip: M
Max Stage[ft]: 18.24		19
High: 70.7
Low: 55.22
Precip: M
Max Stage[ft]: 17.58
20
High: 76.82
Low: 55.58
Precip: M
Max Stage[ft]: 17.69		21
High: 69.44
Low: 54.68
Precip: M
Max Stage[ft]: 18.60		22
High: 77.36
Low: 55.22
Precip: M
Max Stage[ft]: 17.19		23
High: 78.62
Low: 56.66
Precip: M
Max Stage[ft]: 17.04		24
High: 83.48
Low: 62.96
Precip: M
Max Stage[ft]: 15.80		25
High: 78.62
Low: 64.58
Precip: M
Max Stage[ft]: 15.50		26
High: 64.94
Low: 53.06
Precip: M
Max Stage[ft]: 15.50
27
High: 62.96
Low: 52.34
Precip: M
Max Stage[ft]: 15.32		28
High: 85.28
Low: 58.46
Precip: M
Max Stage[ft]: 15.09		29

Precip: M		30010203

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.